OT-2026-000020357
Publication integrity record
Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000020357) never changes.
Identity and time
| Publication number | OT-2026-000020357 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-77a2-9f0e-4589610abcea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020357 |
| Status | PUBLIC |
Content hashes
| Canonical text | 19e7b2bc60f928f3ea8f6f45ce618f406d7e06113cec5d4a9184943454410da2 |
|---|---|
| Markdown | 63a02756806c6ef107f87bb95b49e6dbba7495a6fec9de21d353239be71208ca |
| Publication page | ab6e7b1d03077604c6e0a822be91d2e48e189d1eb1985d63b80b5ea57c6a8c8b |
| Manifest | 8401f53512cc850478edafed29daf612b2066b51570b4c2aca7c983f42b11bef |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | GtffPhvgJDdckpb7WNbClpP42C1fVG9Atq8d5BzXrbQpLsSvvCEqoCK4OM9yGJJF44pMFkJTvLQTB/0Hk1QQCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-06T12:41:19.212094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020357observed ab6e7b1d03077604c6e0a822be91d2e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-06T12:41:19.137571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020357/manifest.jsonobserved 8401f53512cc850478edafed29daf612...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:19.063518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020357/publication.mdobserved 63a02756806c6ef107f87bb95b49e6db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:18.909139Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020357/publication.txtobserved 19e7b2bc60f928f3ea8f6f45ce618f40...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:41:06.289615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020357observed ab6e7b1d03077604c6e0a822be91d2e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:41:06.003603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020357/manifest.jsonobserved 8401f53512cc850478edafed29daf612...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:41:05.809590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020357/publication.mdobserved 63a02756806c6ef107f87bb95b49e6db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:41:05.304715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020357/publication.txtobserved 19e7b2bc60f928f3ea8f6f45ce618f40...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|